If you notice clusters of bright pink eggs near water features in your garden, be alert—they could belong to the apple snail, a highly invasive species. These eggs, though striking, signal potential damage to both your plants and the surrounding environment. Early detection and prompt action are crucial in preventing their spread.

The apple snail, originally from South America, is a large freshwater mollusk known for its adaptability. It thrives in warm, wet environments such as ponds and swamps. Over time, it has spread to North America, Europe, and Asia, causing significant harm to local ecosystems and agricultural lands.

This species breeds rapidly, with each egg cluster containing up to 600 eggs. Their feeding habits are destructive—they consume aquatic plants, damage rice fields, and overpower native species. Adding to the concern, their eggs are toxic, discouraging predators and posing a risk to humans who handle them unprotected.

Apple snails have been reported in several U.S. states including Florida, Texas, and California. In Europe, efforts to control their spread have been initiated in countries like France and Spain. In Asia, they are especially damaging to rice production, prompting serious containment strategies.

Gardeners should act quickly upon spotting these snails or their eggs. Report sightings to local authorities, safely remove egg clusters using gloves, and avoid releasing any aquarium snails outdoors. Understanding and sharing this information can help prevent ecological damage and safeguard both gardens and native habitats.